8d-18-d=d

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Solution for 8d-18-d=d equation:


Simplifying
8d + -18 + -1d = d

Reorder the terms:
-18 + 8d + -1d = d

Combine like terms: 8d + -1d = 7d
-18 + 7d = d

Solving
-18 + 7d = d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-1d' to each side of the equation.
-18 + 7d + -1d = d + -1d

Combine like terms: 7d + -1d = 6d
-18 + 6d = d + -1d

Combine like terms: d + -1d = 0
-18 + 6d = 0

Add '18' to each side of the equation.
-18 + 18 + 6d = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 6d = 0 + 18
6d = 0 + 18

Combine like terms: 0 + 18 = 18
6d = 18

Divide each side by '6'.
d = 3

Simplifying
d = 3

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